public static function downloadCertificateFromUrl(string $url, int $timeout = 30) : array
{
$hostName = (new Url($url))->getHostName();
$streamContext = stream_context_create(['ssl' => ['capture_peer_cert' => true]]);
try {
$client = stream_socket_client("ssl://{$hostName}:443", $errorNumber, $errorDescription, $timeout, STREAM_CLIENT_CONNECT, $streamContext);
} catch (Throwable $thrown) {
if (str_contains($thrown->getMessage(), 'getaddrinfo failed')) {
throw CouldNotDownloadCertificate::hostDoesNotExist($hostName);
}
if (str_contains($thrown->getMessage(), 'error:14090086')) {
throw CouldNotDownloadCertificate::noCertificateInstalled($hostName);
}
throw CouldNotDownloadCertificate::unknownError($hostName, $thrown->getMessage());
}
$response = stream_context_get_params($client);
return openssl_x509_parse($response['options']['ssl']['peer_certificate']);
}
